GMC YUKON XL 2003 User manual

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Canadian Owners
GENERAL MOTORS, GM, the GM Emblem, GMC, the
GMC Truck Emblem and the name YUKONNUKON
XL are registeredtrademarks of General Motors
Corporation.
This manual includesthe latest informationat the time it
was printed. We reservethe right to make changes
after that time without further notice. For vehicles first
sold in Canada, substitutethe name ”General Motors of
Canada Limited” for GMC whenever it appears in this
manual.
Please keep this manual in your vehicle, so it will be
there
if you ever need it when you’re on the road. If you
sell the vehicle, please leave this manual in
it so the
new owner can use it.
Litho in
U.S.A.
Part No. X2316 A First Edition
You can obtain a Frenchcopy of this manual from your
dealer or from:
Helm, Incorporated
P.O. Box 07130
Detroit,
MI 48207
How to Use This Manual
Many people readtheir owner’s manual from beginning
to end when they first receivetheir new vehicle.
If
you do this, it will help you learn about the features and
controlsfor your vehicle. In this manual, you’ll find
that picturesand words work togetherto explain things.
Index
A good placeto look for what you need is the Index in
back of the manual. It’s an alphabeticallist of what’s
in the manual, and the page number where you’ll find it.
OCopyright General Motors Corporation 06/24/02
All RightsReserved
ii

Safety Warnings and Symbols
You will find a number of safety cautions in thisbook.
We use a box and the word CAUTION to tell you about
things that couid hurt you
if you were to ignore the
warning.
These mean there
is somethingthat could hurt
you or other people.
I
In the caution area, we tell you what the hazard is.
Then we tell you what to do to help avoid or reduce the
hazard. Please read these cautions.
If you don’t, you
or others could be hurt.
I 1 You will also find a circle
with a slash through it in
this book. This safety
symbol means “Don’t,’’
“Don’t do this” or “Don’t
let
this happen.”
...
111

Vehicle Damage Warnings
Also, inthis book you willfind these notices:
Notice: Thesemean there is somethingthat could
damage your vehicle.
A notice will tell you about something that can damage
your vehicle. Many times, this damage would not be
covered by your warranty, and it could be costly. But the
notice will tell you what to do to help avoid the
damage.
When you read other manuals, you might see
CAUTION and NOTICE warnings
in differentcolors
or
in differentwords.
You’ll also see warning labels on your vehicle. They use
the same words, CAUTION or NOTICE.
Vehicle Symbols
Your vehicle has components andlabels that use
symbols instead of text. Symbols, used on your vehicle,
are shown alongwith the text describingthe operation
or information relating
to a specific component, control,
message, gage or indicator.
If you need help figuring out a specific name of
a component, gage or indicator referencethe
following topics:
Seatsand RestraintSystems in Section 1
Featuresand Controlsin Section 2
Instrument Panel Overview in Section 3
Climate Controls in Section 3
Warning Lights, Gagesand Indicatorsin Section 3
Audio System(s) in Section 3
EngineCompartmentOverview in Section 5
iv

These are someexamples of vehicle symbols you may find on your vehicle:
POSSIBLE A
CAUTION
INJURY
PROTECT
SHIELDING
CAUSTIC
BATERY
WDCOULD
CAUSE
BURNS
AVO1D
SPARKS
OR
FLAMES
SPARK
OR
FLAME
COULD
EXPLODE
BATTERY
I
LATCH BOTH LAP AND
SHOULDER BELTS TO
PROTECTOCCUPANT
+@? @
DONOTTWISTSAFETY
BELT WHEN ATTACHING
MOVE SEAT
FULLY
\$!!
REARWARD* /z
SECURE
CHILD SEAT
PULL BELT
OUT
COMPLETELY
THEN SECURE
I CHILDSEAT
POWER
I
WINDOW
DO NOT INSTALL
A REAR-FACING
CHILD RESTRAINT
INTHIS SEATING
POSITION
DO NOT INSTALL A
'ORWARD-FACING
CHILD RESTRAINT
IN THIS SEATING
POSITION
DOOR LOCK
UNLOCK
\
I
L
MASTER '0-
I ENGINE
SWITCH
0 , \
COOLANT
LIGHTING
-
TEMP -
SIGNALS @a
TURN
LAMPS
Pf
CHARGING
BATTERY
SYSTEM
COOLANT
d
ENGINE OIL
PRESSURE
Wb
ENGINE
COOLANT
FAN
FUEL
OWNER'S
MANUAL
SERVICE
MANUAL
V

Model Reference
This manual covers these models:
Yukon
XL
Yukon
vi

Section 1
Seats and Restraint Systems
Front Seats ...................................................... 1-3
ManualSeats
I -3
Power Seats .................................................. 1-4
Power Lumbar
............................................... 1-4
Heated Seats
................................................. 1-5
Reclining Seatbacks ........................................ 1-5
Head Restraints
............................................ -1-7
Rear Seats
....................................................... 1-8
Rear Seat Operation
................................... 1-8
60/40SplitBenchSeat
............................... 1-8
50/50 Split Bench Seat .................................. 1-10
Bench Seat
.................................................. 1-14
Bucket Seats
............................................... 1-19
SafetyBelts
................................................... 1-22
Safety Belts: They Are for Everyone
................ 1-22
QuestionsandAnswersAboutSafety Belts
...... 1-26
Driver Position
.............................................. 1-28
SafetyBeltUseDuringPregnancy
.................. 1-35
Right Front Passenger Position
....................... 1-36
Center Passenger Position
............................. 1-36
RearSeatPassengers
.................................. 1-38
RearSafetyBeltComfortGuidesfor Children
and Small Adults
....................................... 1-41
SafetyBeltExtender
..................................... 1-43
40
................................................
HowtoWearSafety Belts Properly ................. 1-27
Child Restraints ............................................. 1-44
Older Children
.............................................. 1.44
Infants and Young Children ............................ 1-46
Child Restraint Systems
................................. 1.49
Where to Put the Restraint
............................. 1-52
Top Strap .................................................... 1-53
Top Strap Anchor Location
............................. 1-54
LowerAnchorages and Top Tethers for
Children (LATCH System)
........................... 1-56
Securing a Child Restraint Designed
for the
LATCH System
......................................... 1-59
Securing a Child Restraint in a Rear Outside
Seat Position
............................................ 1-59
Securing a Child Restraint in a Center Rear
Seat Position
........................................... -1 -61
Securing a Child Restraint in the Center Front
Seat Position
............................................ 1-63
Securing a Child Restraint in theRightFront
Seat Position
............................................ 1-64
AirBagSystems
............................................ 1-68
When Should an Air Bag Inflate?
.................... 1-72
Where Are the Air Bags?
............................... 1-70
WhatMakes an Air Bag Inflate?
..................... 1-74
HowDoes an Air Bag Restrain?
..................... 1-74
1-1

Section 1
Seats and Restraint Systems
What Will YouSeeAfteranAirBag Inflates? ... 1.74
Passenger Sensing System
............................ 1-76
Servicing YourAir
Bag-Equipped Vehicle
................................ 1-79
AddingEquipment to YourAirBag-Equipped
Vehicle
.................................................... 1.79
Restraint System Check
.................................. 1.80
CheckingYour Restraint Systems
................... 1.80
Replacing Restraint System Parts Aftera
Crash
...................................................... 1.81
1-2

Front Seats
Manual Seats
You can lose,,ntrol C. the vehicle if yo, -ry to
adjust a manual driver’s seat while the vehicle
is moving. The sudden movement could startle
and confuseyou, or make you push a pedal
when you don’t wantto.
Adjust the driver’s
seat only when the vehicle
is not moving. If your vehicle has a manual bucket
or a split bench
seat, you can adjust it with this lever located at the front
of the seat.
Lift the lever to unlock the seat. Using your body, slide
the seat
to where you want it and release the lever.
Try to move the seat with your body to make sure the
seat
is locked into place.
1-3

Power Seats
If your vehicle has a power seat, you can adjust it with
these controls located on the outboard sides of the
seats.
Raise or lowerthe front of the seat cushion by
raising or loweringthe forward edge of the
horizontalcontrol.
Move the seat forward or rearward by moving the
whole horizontalcontrol forward or rearward.
Raise or lower the rear of the seat cushion by
raising or loweringthe rear edge of the horizontal
control.
Moving the whole horizontalcontrol upordown
raises or lowers the entire seat cushion.
If your vehicle has power recliningseats, you can use
the vertical control to adjust the angle of the seatback.
Move the recliningfront seatback rearwardor forward
by moving the control toward the rear or the front of the
vehicle. See
Reclining Seatbacks on page 1-5.
Power Lumbar
If your vehicle hasthis
feature, the four-way
control is locatedon the
outboardside of the seat.
To increase or decrease support, pressand holdthe
front or rear of the control. Letgo of the controlwhen the
lower seatback reaches the desiredlevel of support.
1 -4

You can also reshape the side wing area of the lower
seatback for more lateralsupport. To increase or
decrease support, press and hold the top or bottom of
the control. Let go of the control when the lower
seatback reaches the desired level of support.
Heated Seats
If your vehicle has this
feature, the button used to
control the driver’s
heated seat is located on
the driver’s door panel.
The button used
to control
the passenger’s heated
seat is locatedon the
passenger’s door panel.
To heat the entire seat, press the horizontalbutton.
Pressthe button to cyclethrough the temperature
settings of high, medium, and low. The indicator light
will glow to indicate the level
of heat selected.
To heat only the seatback, press the vertical button with
the heated seatback symbol. An indicator light on the
button will glow to designate thatonly the seatback
is being heated.
The engine must be running for them to operate.
The heatedfront seats will be canceled after the ignition
is turned
off. If you still want to use the heated front
seat feature after you restart your vehicle, you will need
to press the heated seat button again.
RecliningSeatbacks
To adjust the front seatback, lift the manual lever
located on the outboard side
of the seat. Releasethe
lever to lock the seatback where you want it. Lift
the lever again without pushing on the seatback and the
seatback will go to an upright position.
1 -5

If your vehicle has power seats with a power recliner,
see
Power Seats on page 7-4 for further information ov
how to operate the reclining seatback feature.
But don’t have a seatback reclined
if your vehicle is
moving.
Sitting
in a reclined position when your vehicle
is
in motion can be dangerous. Even if you
buckle
up, your safety belts can’t do their job
when you’re reclined like
this.
The shoulder belt can’t do its job. In a crash,
you could go into
it, receiving neck or other
injuries.
The lap belt can’tdo its jobeither.
In a crash
the belt could go up over yourabdomen. The
belt forces wouldbe there, not at your pelvic
bones. This could cause serious internal
injuries.
For proper protection when the vehicle is in
motion, have the seatback upright.Then sit
well back
in the seat andwear your safety belt
properly.
I -6

Head Restraints
Adjust your head restraint so that the top of the restraint
is closest
to the top of your head. This position
reducesthe chance of a neck injury in a crash.
To raise the head restraint pull up on the head restraint.
On some modelsthe head restraintstilt forward and
rearwardalso.
The rear seat head restraints in your vehicle may be
adjustable.They work the same as the front seat head
restraints,except they do not tilt forward and rearward.
1-7

Rear Seats
Rear Seat Operation
Entering or Exiting the Third
Row Seats
I’ seatback isn’t ~ - _..ed,it co--- ..love
forward in a sudden stop or crash. That could
cause injury to the person sitting there. Always
press rearward on the seatback to be sure it is
locked.
SuburbanNukon
XL: The passenger’s side of the
second row 60/40 or rear bucket seats has an
easy entry feature. This makes it easy to get in and out
of the third seat, if your vehicle has one.
To operate the easy entry seat turn the release lever,
locatedon the back of the seat upward.
Tilt the seatback toward the front
of the vehicle by
pullingthe topof the seat forward. When you do the seat
bottom will release. Pullthe seat forward until it stops.
Be sure to return the seatto the passenger position
when finished. Push and pull on the seat to make sure
it is locked in place.
60/40 Split Bench Seat
TahoeNukon: The rear seat may have a 60/40split
seat which may be folded down to give you more cargo
space.
SuburbanNukon
XL: The second row rear seat of
SuburbanNukon
XL models may havea 60/40 split seat.
Either side of the rear seat my be folded down to
provide more cargo space.
1 -8

Folding the Seatbacks
If the seatback isn’t locked, it could move
forward in a sudden stop or crash. That could
cause injury to theperson sitting there. Always
press rearward on the seatback to be sure it is
locked.
Make sure that nothing is under or in front of the seat
and that the head restraintsare completely lowered.
On TahoeNukon models the rear seatbacks may
be equipped with rearward folding head restraints.When
the seatback is being folded down, the head restraint
will automatically fold rearward to allow a flat load floor
for cargo or entry to thethird row seat (if equipped).
To fold, pull up
on the
strap loop at the rear of
the seat cushion.
Then, pull the seat cushion
up and fold it forward.
After folding the seat cushion fully forward, pull the
seatback forward and fold the seatback down until it is
flat.
If the seatback cannot fold flat because it
interfereswith the cushion, try moving the seat forward
and/or bring the front seatback more upright. On the
passengerside of the SuburbanNukon
XL models, the
lever at the base of the seat mustbe turned rearward
to releasethe seatback.
1-9

To create a load floor release the panels from the
seatback by pushingforward on the latch. Then fold the
panels back to cover the rear seat footwell area.
To return the seat to the passenger position on a
SuburbanNukonXL do the following:
1. Lift the floor load panels and latch them into the
2. Lift the seatback up and push rearward all the way.
seatback.
3. Lower the seat cushion until it latches into position.
4. Pull forward on the seatback and up on the seat
cushion to make sure the seat is securely in
place.
Make sure that the buckles on the driver’s side seatback
are accessibleto the outboard and center occupant
and are not under the seat cushions.
On TahoeNukon models make sure the head restraints
are returnedto the upright position.
50/50 Split Bench Seat
If your vehicle has a 50/50 split bench, the seatback(s)
can be folded and the entire seat(s)tilted or removed
from the vehicles.
1-10

Folding the Seatbacks
If the seatback isn’t locked, it could move
forward in a sudden stop or crash.That could
cause injury to the person sitting there. Always
press rearward on the seatback to be sure
it is
locked.
Tilting the 50/50 Split Bench Seat
To fold the seatbacksdo the following:
Pullupontherelease lever, labeled 1, located on
the rear
of the seatback, and push the seatback
forward.
To return the seat to the passenger position, pull up
on the release lever labeled
1 and then pull up on
the seatbackuntilthe seatback locks into the upright
position.
Push forward on the seatbackto make sure it is locked
into position.
If the seatback isn’t locked,
it could move
forward
in a sudden stop or crash. That could
cause injury to the person
sitting there. Always
press rearward
on the seatbackto be sure it is
locked.
If the support rod isn’t properly engaged, the
folded third row seat could come loose
in a
sudden stop or crash. That could cause injury
to people and damage to your vehicle. Always
be sure the support rod is properly engaged
when the third row seat
is folded forward.
Once the third seatback has been folded down, the
entire seat can be tilted forward to create a flat
load floor.
To do this, do the following:
1. Enter the rear cargo area of the vehicle.
1-1 1

2. Make surethehead restraints have been lowered
completely.
3. With the seat folded, unlatchthe seat from the floor
by pulling up on the lever located under the
carrying handle at the rear of the seat labeled
2.
4. Lift the rear of the seat up, off the floor. You will not
be able to unlatchthe seat from the floor unlessthe
seatback is folded down.
5. Tilt the seat fully forward and secure it in place
usingthe support rod located on the underside
of the seat
on the passenger’s side. Make sure the
rod pin is fully engaged in the lock.
rod is holding it firmly in place. Use the seat in this
positiononly when necessary for additional
cargo space.
To return the seat to the seating position do the
following:
6. Push and pull ontheseat. Makesure the support
1. Push forward on the seat and releasethe support
2. Secure the support rod in its stored position on the
3. Lower the seat to the floor and let the seat drop
lock rod.
undersideof the seat.
into place.
4. Lift up on the carrying handle to make sure the seat
is locked in place.
5. Return the seatback to the upright position by
pulling up on the release lever labeled
1 before
the back can be folded upright.
6. Pull the seatback forward to make sure it is locked
in place.
Removing the 50/50 Split Bench Seat
To remove the 50/50 split bench seat, do the following:
1. Open the rear doors and enter the rear of the
vehicle.
2.
Foldthe seatback
forward onto the seat
cushion by using
the lever labeled
1.
The seat cannot
be removed unless the
seatback is folded.
1-12

3. To unlatchthe seat
from the floor, pull up
on the release
lever labeled
2, located
at the rear of the
seat, and lift the rear of
the seat up
off the
floor.
4. Squeeze the releaselever, located in the lower
middle to unlatchthe seat from the floor, while
pullingthe seat out.
5. While holdingthe rear of the seat up, roll the seat
out of the vehicle.
Replacing the 50/§0 Split BenchSeat
If the seatback isn’t locked, it could move
forward
in a sudden stop or crash. That could
cause injury to the person
sitting there. Always
press rearward on the seatback to be sure
it is
locked.
A seat that
isn’t locked into place properly can
move around
in a collision or sudden stop.
People
in the vehicle could be injured. Be sure
to lock theseat into place properly when
installing
it.
I
1-13